Change to calculate the real NTP in TimeTicks.

media/cast/rtcp/rtcp.cc

Index: media/cast/rtcp/rtcp.cc
diff --git a/media/cast/rtcp/rtcp.cc b/media/cast/rtcp/rtcp.cc
index 875736bb804363e8005c49a8e689ebafc7a9ca2a..f30c8a231c00809a7820dca08e1239e33adbde76 100644
--- a/media/cast/rtcp/rtcp.cc
+++ b/media/cast/rtcp/rtcp.cc
@@ -273,7 +273,8 @@ void Rtcp::SendRtcp(const base::TimeTicks& now,
 
     packet_type_flags |= RtcpSender::kRtcpRrtr;
     RtcpReceiverReferenceTimeReport rrtr;
-    ConvertTimeToNtp(now, &rrtr.ntp_seconds, &rrtr.ntp_fraction);
+    ConvertTimeToFractions(now.ToInternalValue(),

[jar (doing other things), 2013/10/25 01:13:54]

nit: It is surprising to see ToInternalValue().  Do you really want the delta
from Time(), translated via ToMicroseconds()?

Reading the code, it sure seems like this method should have taken a TimeDelta.

+                           &rrtr.ntp_seconds, &rrtr.ntp_fraction);
 
     time_last_report_sent_ = now;
     last_report_sent_ = ConvertToNtpDiff(rrtr.ntp_seconds, rrtr.ntp_fraction);